diff --git a/groups.d/251.native_packages_lib.d/libtasn1.package b/groups.d/251.native_packages_lib.d/libtasn1.package
index 9257cf0..a49c3c2 100644
--- a/groups.d/251.native_packages_lib.d/libtasn1.package
+++ b/groups.d/251.native_packages_lib.d/libtasn1.package
@@ -1,5 +1,5 @@
-: ${PKG_LIBTASN1_SHA256SUM:=1613f0ac1cf484d6ec0ce3b8c06d56263cc7242f1c23b30d82d23de345a63f7a};
-: ${PKG_LIBTASN1_VERSION:=4.19.0};
+: ${PKG_LIBTASN1_SHA256SUM:=92e0e3bd4c02d4aeee76036b2ddd83f0c732ba4cda5cb71d583272b23587a76c};
+: ${PKG_LIBTASN1_VERSION:=4.20.0};
 : ${PKG_LIBTASN1_URL:=https://ftp.gnu.org/gnu/libtasn1/libtasn1-${PKG_LIBTASN1_VERSION}.tar.gz};
 : ${PKG_LIBTASN1_CONFIGURE_ARGS_EXTRA:="--disable-static"};
 : ${PKG_LIBTASN1_CFLAGS_CONFIGURE_EXTRA:=-std=c99};
diff --git a/patches/libtasn1-4.19.0_pre.local.patch b/patches/libtasn1-4.19.0_pre.local.patch
deleted file mode 100644
index 9f7f4ed..0000000
--- a/patches/libtasn1-4.19.0_pre.local.patch
+++ /dev/null
@@ -1,32 +0,0 @@
-diff -ru libtasn1-4.17.0.orig/configure libtasn1-4.17.0/configure
---- libtasn1-4.17.0.orig/configure	2021-05-13 19:09:31.000000000 +0200
-+++ libtasn1-4.17.0/configure	2021-12-07 16:59:10.538374562 +0100
-@@ -12844,6 +12844,16 @@
-   dynamic_linker='GNU/Linux ld.so'
-   ;;
- 
-+midipix*)
-+  version_type=linux # correct to gnu/linux during the next big refactor
-+  need_lib_prefix=no
-+  need_version=no
-+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-+  soname_spec='$libname$release$shared_ext$major'
-+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
-+  shlibpath_var=LD_LIBRARY_PATH
-+  ;;
-+
- netbsdelf*-gnu)
-   version_type=linux
-   need_lib_prefix=no
-diff -ru libtasn1-4.17.0.orig/Makefile.in libtasn1-4.17.0/Makefile.in
---- libtasn1-4.17.0.orig/Makefile.in	2021-05-13 19:09:33.000000000 +0200
-+++ libtasn1-4.17.0/Makefile.in	2021-12-07 17:00:22.742376855 +0100
-@@ -564,7 +564,7 @@
- 	windows/test-tree/test-tree.vcproj windows/libtasn14win.mk \
- 	cfg.mk maint.mk CONTRIBUTING.md README.md \
- 	$(top_srcdir)/.version
--SUBDIRS = lib src fuzz tests $(am__append_1)
-+SUBDIRS = lib src fuzz $(am__append_1)
- @CODE_COVERAGE_ENABLED_TRUE@GITIGNOREFILES := $(GITIGNOREFILES) $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
- @CODE_COVERAGE_ENABLED_TRUE@code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
- @CODE_COVERAGE_ENABLED_TRUE@code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))
diff --git a/patches/libtasn1-4.20.0_pre.local.patch b/patches/libtasn1-4.20.0_pre.local.patch
new file mode 100644
index 0000000..ba81c70
--- /dev/null
+++ b/patches/libtasn1-4.20.0_pre.local.patch
@@ -0,0 +1,32 @@
+diff -ru libtasn1-4.20.0.orig/configure libtasn1-4.20.0/configure
+--- libtasn1-4.20.0.orig/configure	2025-02-01 18:11:54.000000000 +0100
++++ libtasn1-4.20.0/configure	2025-02-22 12:59:57.084712503 +0100
+@@ -14827,6 +14827,16 @@
+   hardcode_libdir_flag_spec='-L$libdir'
+   ;;
+ 
++midipix*)
++  version_type=linux # correct to gnu/linux during the next big refactor
++  need_lib_prefix=no
++  need_version=no
++  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
++  soname_spec='$libname$release$shared_ext$major'
++  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
++  shlibpath_var=LD_LIBRARY_PATH
++  ;;
++
+ # This must be glibc/ELF.
+ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+   version_type=linux # correct to gnu/linux during the next big refactor
+diff -ru libtasn1-4.20.0.orig/Makefile.in libtasn1-4.20.0/Makefile.in
+--- libtasn1-4.20.0.orig/Makefile.in	2025-02-01 18:11:54.000000000 +0100
++++ libtasn1-4.20.0/Makefile.in	2025-02-22 13:00:37.817521139 +0100
+@@ -1578,7 +1578,7 @@
+ 	windows/test-tree/test-tree.vcproj windows/libtasn14win.mk \
+ 	cfg.mk maint.mk CONTRIBUTING.md README.md COPYING.LESSERv2 \
+ 	$(top_srcdir)/.version
+-SUBDIRS = lib src $(am__append_1) fuzz tests
++SUBDIRS = lib src $(am__append_1) fuzz
+ @CODE_COVERAGE_ENABLED_TRUE@GITIGNOREFILES := $(GITIGNOREFILES) $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+ @CODE_COVERAGE_ENABLED_TRUE@code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
+ @CODE_COVERAGE_ENABLED_TRUE@code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))